US2993014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epoxy resin composition containing cork or balsa wood and preparation of expanded product therefrom
Assignee: WILSON PRODUCTS Manufacturing Co
•
Filing: 1957-10-21
•
Granted: 1961-07-18
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Expires: 1977-10-21
Abstract
No abstract record available.
Inventors
- 👤 Gerald W Schardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:13
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/04; C08J9/12; C08L; C08L63/00; C08J2363/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/3167; Y10T428/31674
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
22 words
THE METHOD FOR THE PREPARATION OF AN EXPANDED CELLULAR RESINOUS PRODUCT WHICH COMPRISES THERMOSETTING AN EPOXY RESIN, SAID EPOXY RESIN CONTAINING A
References Cited (Backward Citations)
GB546382A
Cited
US2387730A
Cited
US2506486A
Cited
US2739134A
Cited
GB783956A
Cited
US2831820A
Cited
US2904524A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-17 | 1965-01-16 | 1965-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-17 | 1969-01-16 | 1969-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-17 | 1973-01-16 | 1973-07-18 | $7700.00 | Window Closed / Lapsed |